A. The word is optimum. [op-tuh-muh m]
-Blair S.

B. The optimum grade would be an A.
-Nick T.

C. Optimum
1. The point at which the condition, degree, or amount of something is the most favorable.2. Biology The most favorable condition for growth and reproduction.
http://www.thefreedictionary.com/optimum
- Joe T

D.

(Dan W.)

E. synonyms:ace, baddest, capital, choice, choicest, excellent, flawless, gilt-edge*, gonest, greatest, highest, ideal, matchless, maximum, most advantageous, most favorable, optimal, peak, peerless, perfect, select, solid gold*, superlative, world class
These words are synonyms because they have the same meaning as optimum.

antonyms:least, worst
These words are antonyms because they mean the opposite of optimum.
http://thesaurus.reference.com/browse/optimum
-Jennifer Y.

F. One time I was at the store looking for a cd player. I wanted to buy the optimum model because it would be the best and would last the longest. However, the optimum cd player was too expensive so I settled for a lesser quality model.
- Amber Z.

H.

Study shows how ants breed optimum number of workers for smooth running of colony

From our ANI Correspondent

London, May 27: Entomologists have discovered a flexible genetic coding in leaf-cutting ants that has shed new light on how one of nature's most industrious species breeds optimum numbers of each worker type to ensure the smooth running of the colony.

http://www.dailyindia.com/show/144555.php/Study-shows-how-ants-breed-optimum-number-of-workers-for-smooth-running-of-colony

ashley<3